TF-8 Create Ore Finder mining upgrade
TF-7 Create AOE NxN mining upgrade
TF-6 Create auto smelt upgrade
TF-5 Create tier upgrade
TF-4 Create fortune upgrade
TF-3 Make it possible to upgrade pickaxe through using left and right hand
TF-2 Create efficiency upgrade
TF-1 Create first version of pickaxe
TF-0 Begin and prepare project